I'll be happy to provide any details asked for, and to keep this short here's what we're looking for:
Any ideas on building a great loft for a 700 (approx.) sq. ft. apartment?
----> It would be great if this fantasized loft were big
enough to qualify as an actual extra bedroom, but if
that's just not possible in a space as small as this, let
me know please.

Now, what kind of mistakes would a relatively new handyman usually make on this sort of project?